Section 5 Predictive Techniques
Clasification Society 2024 - Version 9.40
Clasifications Register Guidance Information - Guidance Notes for Machinery Survey Arrangements including The Examination of Surveyable Machinery Items by Chief Engineers, April 2021 - Chapter 2 Machinery Survey Arrangements - Section 5 Predictive Techniques

Section 5 Predictive Techniques

Parent topic: Chapter 2 Machinery Survey Arrangements

5.1 ShipRight MPMS(CM, PT) descriptive note

5.1.1 Approval of a Machinery Planned Maintenance Scheme using Predictive Techniques (PT) is based on:
  1. Approval of the Digital Health Management System in accordance with LR’s ShipRight Procedure for the Approval of Digital Health Management Systems;
  2. Remote audit of the scheme details and an implementation audit, in accordance with LR’s ShipRight Procedures for Machinery Planned Maintenance and Condition Monitoring.

5.1.2 The ShipRight MPMS(CM, PT) descriptive note will be assigned, and a Certificate of Operation of an approved Machinery Planned Maintenance Scheme and CM, PT Annex will be issued to the ship.

5.1.3 The Chief Engineer should ensure that:
  1. The approved scheme is effectively implemented;
  2. Prediction, maintenance and monitoring records are maintained;
  3. Records are made available to the attending Surveyor at Annual Audits.

5.1.4 Chief Engineers may carry out condition monitoring and examination of the selected machinery items, in accordance with the requirements of Lloyd’s Register’s Rules and Regulations for the Classification of Ships, July 2022, without the need for a Surveyor to be present.

5.1.5 The selected machinery items need only be opened out for maintenance, examination and survey as required by the PT system.

5.1.6 All selected machinery items must be credited once in each five year period. Chief Engineers should manage the distribution of credits throughout the cycle.

5.1.7 Chief Engineers may ‘I’ Interim Credit the selected machinery items, using the ‘MPMS Crediting’ function in LR Class Direct, on the basis that PT system data is satisfactory, maintenance is up to date and the applicable machinery item is in good working order.

5.1.8 The Surveyor will confirm the correct operation of the scheme and satisfactory functioning of machinery at Annual Audit, harmonised with the classification Annual Survey.

5.1.9 The Chief Engineer’s prediction, maintenance and monitoring records will, subject to confirmatory surveys at the Annual Audit, be sufficient for the Surveyor to ‘C’ Confirmatory Credit the selected machinery items for survey.

5.1.10 The Surveyor will ‘X’ Credit any items opened out for examination at the Annual Audit.

5.1.11 If the Surveyor is not satisfied with the operating condition or any aspect of the scheme’s operation, they may request that items be opened out for inspection.

5.1.12 If deficiencies in the operation of the scheme are identified, either from the maintenance and monitoring records or from the general condition of the machinery, the attending Surveyor may advise that a further Audit will be required and impose a suitable Condition of Class. In the event of serious deficiencies, a report will be forwarded to the Classification Committee recommending that approval of the scheme be withdrawn.

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